The Free On-line Dictionary of Computing (30 December 2018):

shockwave

    The propagation of failure, shutdown, meltdown,
   net overload, or a virus from one network node to another,
   resulting in a wave of inactivity across the net.

   (1997-05-16)


The Free On-line Dictionary of Computing (30 December 2018):

Shockwave

    A program from Macromedia for viewing files created
   with Macromedia Director.  Shockwave is freely available as
   a plug-in for the Netscape Navigator web browser.

   "Shocked" pages that incorporate documents created in Director
   can usually only be enjoyed by users with an ISDN or faster
   connection.

   (http://macromedia.com/shockwave/).

   [Filetypes?  More detail?]

   (1998-07-07)